Oxide compositions
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United States of America Patent
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Aug 31, 1999
Issued Date -
N/A
app pub date -
Jun 25, 1998
filing date -
Dec 4, 1992
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Abstract
The surface area of a zinc oxide composition is increased, and stabilized to heating, by incorporation of a tri or tetra valent metal, especially aluminium or gallium, e.g. in the form of a spinel with the zinc oxide. The composition is preferably made by coprecipitation of zinc and a compound of said metal and then calcination. The zinc oxide composition may also incorporate a Group VIII metal and be used as a catalyst for a Fischer Tropsch process.
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